Ini files were introduced with the development of hooks. These files allow for additional finetuning anad configuring an OPT beyond or alternatively to modifying the exe.
Name & Location - The ini must be placed in the FlightModels\ folder alongside the OPT it refers to. - The ini file must have the same name as the OPT it's related to. Example: XWING.ini refers to XWING.opt
The Ini file can contain various sections definin different aspects of the OPT: (List incomplete and in progress)
[Exterior] [ObjectProfiles] [HangarCamera] [HangarMap] [HangarObjects] [SFoils] [Shield] [Sound] [WeaponColor]